Chapman, Edgar L. "Robert Silverberg." In Popular World Fiction: 1900Present. Edited by Walton Beacham and Suzanne Niemeyer. Washington, DC: Beacham Publishing, 1987: 13931406.

—— . "Robert Silverberg." In Beacham 's Popular Fiction: 1991 Update.

Edited by Walton Beacham, et al.

Washington, DC: Beacham Publishing, 1991: 1141-1148. Notes that Silverberg may be "more popular with younger readers than generally realized." Summarizes Silverberg's life in the late 1980s and evaluates the novels Star of Gypsies and The Mutant Season (which Silverberg coauthored with his wife Karen Haber).

Clareson, Thomas. Robert Silverberg.

Mercer Island, WA: Starmont, 1983.

An account of Silverberg's career with a critical introduction to his writings.

—— . Robert Silverberg: A Primary and Secondary Bibliography. Boston: G.K.

Hall, 1983. This could provide some leads for a research paper.

Commire, Anne, ed. "Silverberg, Robert." In Something About the Author.

Detroit: Gale, 1978: 206-208. Almost entirely a listing of Silverberg's publications, with...